Solve the equation with a squared term: $$2 x ^ { 2 } - 7 = 91$$
A)x = ±7
B)x = 7
C)x = 4.950
D)x = ±8.270

Name: Solve the equation with a squared term: \[2 x ^ { 2 } - 7 = 91\] A)x = ±7 B)x = 7 C)x = 4.950 D)x = ±8.270
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Question

Quizplus · Accepted Answer

First, add 7 to both sides to isolate the squared term: $2x^2 = 98$. Then, divide by 2: $x^2 = 49$. Finally, take the square root of both sides: $x = ±\sqrt{49}$, which simplifies to $x = ±7$.

Solve the Equation with a Squared Term 2x2−7=912 x ^ { 2 } - 7 = 912x2−7=91

Solve the Equation with a Squared Term $2 x ^ { 2 } - 7 = 91$